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Paper Abstract and Keywords
Presentation 2017-03-02 09:00
[Poster Presentation] Parameter estimation method for mirror filter based on quadratically constrained quadratic optimization -- A study on a estimation using measured displacement of the diaphragm --
Kenta Iwai (Kansai Univ.), Masao Yamagishi (Tokyo Tech), Yoshinobu Kajikawa (Kansai Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) This paper shows the parameter estimation results using the measured displacement of the diaphragm by parameter estimation method for mirror filter based on quadratically constrained quadratic optimization.
Mirror filter is a nonlinear compensator for reducing nonlinear distortions of electrodynamic loudspeakers
and its coefficients are determined by the linear and nonlinear parameters of the loudspeaker.
The parameter estimation method for mirror filter based on quadratically constrained quadratic optimization
utilizes the displacement, velocity and acceleration of the diaphragm and the input voltage of the loudspeaker
for parameter estimation.
The effectiveness of the parameter estimation method have already been shown by a computer simulation.
Hence, in this paper, the effectiveness of the parameter estimation method using measured displacement
is discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) Mirror filter / Electrodynamic loudspeaker / nonlinear distortion / parameter estimation / optimization problem / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 476, SIP2016-182, pp. 255-260, March 2017.
Paper # SIP2016-182 
Date of Issue 2017-02-22 (EA, SIP, SP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee SP SIP EA  
Conference Date 2017-03-01 - 2017-03-02 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Industry Support Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Speech, Engineering/Electro Acoustics, Signal Processing, and Related Topics 
Paper Information
Registration To SIP 
Conference Code 2017-03-SP-SIP-EA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Parameter estimation method for mirror filter based on quadratically constrained quadratic optimization 
Sub Title (in English) A study on a estimation using measured displacement of the diaphragm 
Keyword(1) Mirror filter  
Keyword(2) Electrodynamic loudspeaker  
Keyword(3) nonlinear distortion  
Keyword(4) parameter estimation  
Keyword(5) optimization problem  
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1st Author's Name Kenta Iwai  
1st Author's Affiliation Kansai University (Kansai Univ.)
2nd Author's Name Masao Yamagishi  
2nd Author's Affiliation Tokyo Institute of Technology (Tokyo Tech)
3rd Author's Name Yoshinobu Kajikawa  
3rd Author's Affiliation Kansai University (Kansai Univ.)
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Speaker
Date Time 2017-03-02 09:00:00 
Presentation Time 90 
Registration for SIP 
Paper # IEICE-EA2016-127,IEICE-SIP2016-182,IEICE-SP2016-122 
Volume (vol) IEICE-116 
Number (no) no.475(EA), no.476(SIP), no.477(SP) 
Page pp.255-260 
#Pages IEICE-6 
Date of Issue IEICE-EA-2017-02-22,IEICE-SIP-2017-02-22,IEICE-SP-2017-02-22 


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